{"id":22661,"date":"2025-06-29T17:39:08","date_gmt":"2025-06-29T16:39:08","guid":{"rendered":"https:\/\/www.crowave.com\/blog\/?p=22661"},"modified":"2025-06-29T17:39:08","modified_gmt":"2025-06-29T16:39:08","slug":"methodo-sports-pr132","status":"publish","type":"post","link":"https:\/\/www.crowave.com\/blog\/2025\/06\/29\/methodo-sports-pr132\/","title":{"rendered":"AM\/FM prijemnik Methodo Sports PR132"},"content":{"rendered":"<p>Danas je nabavljen mali d\u017eepni AM\/FM prijemnik oznake Sports PR132 proizveden u Kini vjerojatno negdje u 1990-tim godinama za talijanskog distributera potro\u0161a\u010dke elektronike Methodo.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_01.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22662\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_01.jpg\" alt=\"\" width=\"634\" height=\"905\" \/><\/a><\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_02.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22663\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_02.jpg\" alt=\"\" width=\"1300\" height=\"391\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_02.jpg 1300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_02-768x231.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_03.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22664\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_03.jpg\" alt=\"\" width=\"1300\" height=\"384\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_03.jpg 1300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_03-768x227.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_04.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22665\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_04.jpg\" alt=\"\" width=\"1300\" height=\"497\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_04.jpg 1300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_04-768x294.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_05.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22666\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_05.jpg\" alt=\"\" width=\"1300\" height=\"744\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_05.jpg 1300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_05-768x440.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_06.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22667\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_06.jpg\" alt=\"\" width=\"1300\" height=\"831\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_06.jpg 1300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_06-768x491.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_07.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22668\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_07.jpg\" alt=\"\" width=\"1300\" height=\"446\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_07.jpg 1300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_07-768x263.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/a><em><span style=\"color: #00ffff;\">U unutra\u0161njosti se na\u0161lo mjesta smotati nekoliko centimetara \u017eice koja slu\u017ei kao \u201einterna\u201c FM antena.<\/span><\/em><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_08.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22669\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_08.jpg\" alt=\"\" width=\"1300\" height=\"918\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_08.jpg 1300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_08-768x542.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Sports PR132 je dimenzijama vrlo mali AM\/FM prijemnik (65x50x20 mm) koji svakako stane u svaki d\u017eep. Male dimenzije ali i dobar radio prijem mogu se zahvaliti upotrebi dva Toshibina namjenska integrirana kruga u SMD tehnici:<\/p>\n<ul>\n<li>TA 7792F \u2013 AM\/FM prijemnik u jednom \u010dipu<\/li>\n<li>TA 8106F \u2013 stereo poja\u010dalo za slu\u0161alice (14 mW u mono-modu na 1,5 V \/ 32 \u2126)<\/li>\n<\/ul>\n<p>Ove \u010dipove nalazimo u baterijskim prijemnicima i radio-walkmanima iz kraja 1980-tih i po\u010detka 1990-tih godina. Mogu raditi na naponima u rasponu 0,9-5 V tako da su prikladni za napajanje iz jedne baterije 1,2 ili 1,5 V.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_09.jpg\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22670\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_09.jpg\" alt=\"\" width=\"1000\" height=\"536\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_09.jpg 1000w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_09-768x412.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/p>\n<p><em><span style=\"color: #00ffff;\">Blok shema \u010dipa TA 7792F iz originalne tvorni\u010dke dokumentacije.<\/span><\/em> Osim tunerskih LC krugova potrebno je dodati MF transformatore i kerami\u010dke filtre za MF na 10,7 MHz (FM) i 455 kHz (AM) te LC filtar za koincidentni FM detektor. Gotovo svi FM demodulatori koji su izvedeni u integriranoj tehnici su koincidentnog tipa jer zahtijevaju najmanji broj vanjskih selektivnih krugova, odnosno filtara. Koincidentni demodulator se jo\u0161 naziva i kvadraturni ili produktni detektor. Susretali smo ga i opisivali kod vi\u0161e objava o FM radio prijemnicima (npr. UKV FM mono\/stereo radio modul RIM FMT).<\/p>\n<h1><\/h1>\n<p style=\"text-align: center;\"><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_11.png\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22672\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_11.png\" alt=\"\" width=\"803\" height=\"542\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_11.png 803w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_11-768x518.png 768w\" sizes=\"auto, (max-width: 803px) 100vw, 803px\" \/><\/a><em><span style=\"color: #00ffff;\">Blok shema \u010dipa TA 8106F iz originalne tvorni\u010dke dokumentacije.<\/span><\/em><\/p>\n<p>&nbsp;<\/p>\n<p>Iako je TA 8106F stereo poja\u010dalo predvi\u0111eno za slu\u0161alice, s obzirom na niski napon napajanja, potrebna izlazna snaga se dobiva takozvanom \u201eMatrix Drive\u201c metodom. U osnovi, matrix sistem u audio tehnici ozna\u010dava sistem poja\u010dala gdje se iz jedne ulazne audio linije preko kombinacije vi\u0161e poja\u010dala dobiva vi\u0161e izlaznih, me\u0111usobno nezavisnih poja\u010danih linija signala. \u010cip TA 8106F iz dvije ulazne (stereo) linije kreira tri izlazne linije koje se mogu kombinirati na razli\u010dite na\u010dine. To su prakti\u010dno gledano mosni spojevi i kombinacije dva ulazna i tri izlazna poja\u010dala. Najve\u0107a snaga se dobiva tako da se na oba ulaza dovede isti signal (mono), a izlazi se onda mogu spojiti kako sam nacrtao.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_10.gif\" rel=\"lightbox[22661]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22671\" src=\"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_10.gif\" alt=\"\" width=\"1095\" height=\"317\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_10.gif 1095w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_10-768x222.gif 768w\" sizes=\"auto, (max-width: 1095px) 100vw, 1095px\" \/><\/a><em><span style=\"color: #00ffff;\">Spoj poja\u010dala \u010dipa TA 8106F za dobivanje najve\u0107e izlazne snage za jedan zvu\u010dnik (mono). Ovaj slu\u010daj nije prikazan u originalnoj tvorni\u010dkoj dokumentaciji pa sam ga izveo sa prijemnika Sports PR132.<\/span><\/em><\/p>\n<p>&nbsp;<\/p>\n<p>Uvo\u0111enjem namjenskih integriranih krugova za AM\/FM prijemnike po\u010detkom 1980-tih godina (TDA 7000) u kombinaciji sa integriranim poja\u010dalima uvelike se pove\u0107ala kvaliteta prijema i zvuka jeftinih d\u017eepnih radio prijemnika koji su uz to mogli biti i puno manjih dimenzija, manjih napona napajanja te manje potro\u0161nje baterija. \u010cisti tranzistorski radio prijemnici, \u010dak i oni najkvalitetniji, te\u0161ko su mogli konkurirati rje\u0161enjima sa namjenskim integriranim krugovima koji su se stalno razvijali strmom uzlaznom putanjom.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Danas je nabavljen mali d\u017eepni AM\/FM prijemnik oznake Sports PR132 proizveden u Kini vjerojatno negdje u 1990-tim godinama za talijanskog distributera potro\u0161a\u010dke elektronike Methodo. &nbsp; U unutra\u0161njosti se na\u0161lo mjesta smotati nekoliko centimetara \u017eice koja slu\u017ei kao \u201einterna\u201c FM antena. &nbsp; &nbsp; Sports PR132 je dimenzijama vrlo mali AM\/FM prijemnik (65x50x20 mm) koji svakako stane [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":22662,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":{"0":"post-22661","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-radio","8":"czr-hentry"},"jetpack_featured_media_url":"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2025\/06\/methodo_sports_pr132_01.jpg","_links":{"self":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/22661","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/comments?post=22661"}],"version-history":[{"count":1,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/22661\/revisions"}],"predecessor-version":[{"id":22673,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/22661\/revisions\/22673"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/media\/22662"}],"wp:attachment":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/media?parent=22661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/categories?post=22661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/tags?post=22661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}